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Keywords: turbine
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Proceedings Papers

Paper presented at the SNAME 25th Offshore Symposium, February 27, 2020
Paper Number: SNAME-TOS-2020-010
... ground up redesign and because of decreased energy density will have less payload capacity. The entire value chains that support internal combustion engines and turbines from the smallest weed-wacker to the largest gas turbine will need as a minimum retooling, or more likely replacement. The new plants...
Proceedings Papers

Paper presented at the SNAME 23rd Offshore Symposium, February 14, 2018
Paper Number: SNAME-TOS-2018-025
... In this paper, an iterative BEM/RANS approach is adopted to solve the multi-turbine interaction problem. The paper starts by introducing the boundary element method (BEM) and the algorithm to couple BEM with a RANS solver. Then, BEM is validated by a comparison with a single tidal turbine...
Proceedings Papers

Paper presented at the SNAME 22nd Offshore Symposium, February 2, 2017
Paper Number: SNAME-TOS-2017-015
... A new semi type floating offshore wind turbine platform called Y-Wind is developed to support a 5MW wind turbine, considering various design aspects from engineering through to installation, which can reduce the CAPEX. The platform is designed to achieve the integration of the tower and rotor...
Proceedings Papers

Paper presented at the SNAME 21st Offshore Symposium, February 16, 2016
Paper Number: SNAME-TOS-2016-025
... depth of 80m to produce power generated from wind and waves. The hybrid system is designed to produce a total of 10MW power from four wind turbines and twenty four wave energy converters (WECs). The platform design is based on industry standards and rules. The wind turbines are installed on four columns...
Proceedings Papers

Paper presented at the SNAME 21st Offshore Symposium, February 16, 2016
Paper Number: SNAME-TOS-2016-040
... This paper describes an approach for incorporating oceanic turbulence effects into numerical simulations of Ocean Current Turbines (OCT)s. This approach uses a combination of analytic expressions and numerical methods that can be called by variable time step integration routines without...
Proceedings Papers

Paper presented at the SNAME 20th Offshore Symposium, February 17, 2015
Paper Number: SNAME-TOS-2015-015
... This paper presents results following the conclusion of an eighteen month deployment of the VolturnUS 1:8 floating wind turbine installed off Castine, Maine. The prototype is 1:8 scale and serves to de-risk the deployment of a full-scale 6MW turbine farther offshore Maine currently being...
Proceedings Papers

Paper presented at the SNAME 19th Offshore Symposium, February 6, 2014
Paper Number: SNAME-TOS-2014-002
.... The wind environment will replicate wind shear effects, as well as turbine wake effects over water in the ocean, making possible new breakthrough research on ocean-related processes and energy harvesting devices. This paper reports on the design and development of the wind-wave generating system, including...
Proceedings Papers

Paper presented at the SNAME 19th Offshore Symposium, February 6, 2014
Paper Number: SNAME-TOS-2014-015
... This paper presents the design, fabrication, deployment and testing of a grid-connected floating offshore wind turbine prototype, called VolturnUS, installed off the Castine, Maine coast in June 2013. The prototype is a 1:8 scale prototype and serves to de-risk the deployment of a full-scale...
Proceedings Papers

Paper presented at the SNAME 19th Offshore Symposium, February 6, 2014
Paper Number: SNAME-TOS-2014-017
... This paper describes the design of marine current turbine blades based on the results of a fully-aligned lifting line optimization model. The geometry is generated by assuming chord and camber distributions in order to reproduce a given loading on the turbine blade. This geometry...
Proceedings Papers

Paper presented at the SNAME 18th Offshore Symposium, February 7, 2013
Paper Number: SNAME-TOS-2013-005
... This paper describes the modification of an existing lifting line model through the inclusion of a full wake alignment model. Optimum circulation distributions along the blade turbines are determined based on geometrical and operational parameters and the inflow conditions. The results obtained...
Proceedings Papers

Paper presented at the SNAME 17th Offshore Symposium, February 2, 2012
Paper Number: SNAME-TOS-2012-011
... This paper describes the use of a lifting line model in order to determine the optimum circulation distribution on a marine turbine's blades, based solely on their geometrical and operational parameters and on the characteristics of the inflow. A linear solution is proposed first, which includes...
Proceedings Papers

Paper presented at the SNAME 16th Offshore Symposium, February 9, 2010
Paper Number: SNAME-TOS-2010-002
... The offshore wind industry has come a long way since the first wind turbines were set up off the coast of Denmark in the 1990s, but work still has to be done to make offshore wind energy more cost efficient as the challenges grow in terms of deeper water, increased turbine size, environmental...
Proceedings Papers

Paper presented at the SNAME 16th Offshore Symposium, February 9, 2010
Paper Number: SNAME-TOS-2010-003
... The TLTP (Tension-Leg Turbine Platform) is a floating, permanently moored structure designed to support a utility-scale offshore wind turbine in water depths of 40 meters and greater. This paper discusses the design tools and unique design process used for this novel structure. Reasons...
Proceedings Papers

Paper presented at the SNAME 16th Offshore Symposium, February 9, 2010
Paper Number: SNAME-TOS-2010-004
... reflection. The original means for extracting power is via unidirectional reaction turbines, driving alternators. Oscillating air flow is between the OWCs and atmosphere; rectified at the turbines. This is more efficient than the commonly used, bi-directional "Wells turbine". proceedings valve...
Proceedings Papers

Paper presented at the SNAME 16th Offshore Symposium, February 9, 2010
Paper Number: SNAME-TOS-2010-006
... In this paper, the performance of a horizontal axis marine current turbine is predicted by three numerical methods. The predictions are compared with the experimental measurements for the same turbine model. A fully unsteady wake alignment is utilized in one of the methods in order to model...

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